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Die Steel H21 Bars

Die Steel H21 BarsHot Die Steel Bars work with heat. They are known for their great wear resistance, hardness, robustness, heat resistance at high temperature. It has hot rigidity and durability characteristics. It has good thermal conductivity and can be water cooled to a constrained degree. It is useful for oil solidification to grow high hot quality that maintains hardness and warmth checking resistance.

Product Specifications

Specifications Properties
Specifications ASTM, AISI, EN ISO
Size Rounds, Flats and Squares
Finish Polished

Chemical Properties

Element H21
C 0.35 Max
Mn 0.3 Max
S 0.25 Max
Si 0.03 Max
P 0.030 Max
Cr 2.7 Max
W 9
V 0.1


  • Hot Forming of parts
  • Extrusion
  • Containers & liner
  • Aluminium or low Pressure Die Casting
  • Punches
  • Holder


  • High Mechanical Strength
  • High polishability
  • Ductility
  • Conductivity
  • Good Welding ability
  • Good thermal conductivity